故障排查: |
Perform DC675 Registration Control Setup Cycle (ADJ 18.1.5) and compare the correction amount with the value in the following table.
Is the item that has reached the adjustment range (MIN or MAX), "Fast Scan Margin" or "Slow Scan Margin"?
Y N
Perform the following.
Check that the value of NVM [760-001] (IReCT Adjustment Enable SW) is "1".
Check the position of Drum Cartridge of each color.
Check the position of the LPH Assembly of the applicable color.
If no problem is found, replace the following parts in sequence: However, each time a parts is replaced, check whether the Fail is still occurring and return the part if it has no problems.
The Drum Cartridge of the applicable color (PL 8.1, PL 8.2)
The LPH Assembly of the applicable color (PL 2.1, PL 2.2)
NOTE
After the replacement of LPH Assembly, go to the Diag mode and perform DC675 Registration Control Setup Cycle (ADJ 18.1.5) and DC937 Procon On Print (ADJ 18.1.11) in sequence.
Is the item that has reached the adjustment range (MIN or MAX) "Slow Scan Margin"?
Y N
Check the position of the LPH of the corresponding color.
If no problem is found after checking, replace the LPH Assembly (PL 2.1, PL 2.2)of the
applicable color. After replacement, go to the Diag mode and perform DC675 Registration Control Setup Cycle (ADJ 18.1.5) then DC937 Procon On Print (ADJ 18.1.11) in
sequence.
Replace the Controller PWB (PL 35.2). After replacement, go to the Diag mode and perform DC675 Registration Control Setup Cycle (ADJ 18.1.5) then DC937 Procon On Print (ADJ 18.1.11) in sequence. |